diff --git a/k8s/annorepo-server/Dockerfile b/k8s/annorepo-server/Dockerfile
index 6300c6a1..a3fd0382 100644
--- a/k8s/annorepo-server/Dockerfile
+++ b/k8s/annorepo-server/Dockerfile
@@ -1,4 +1,4 @@
-FROM openjdk:22-ea-12-jdk-slim
+FROM openjdk:22-ea-18-jdk-slim
 
 RUN apt update && \
     apt install -y curl && \